<template>
  <div class="ratingselect" v-if="ratings">
    <div class="rating-type border-1px">
      <span class="block positive" :class="{active: selectType===2}" @click="setSelectType(2)">
        {{descs[0]}}<span class="count">{{ratings.length}}</span>
      </span>
      <span class="block positive" :class="{active: selectType===0}" @click="setSelectType(0)">
        {{descs[1]}}<span class="count">{{positiveLength}}</span>
      </span>
      <span class="block negative" :class="{active: selectType===1}" @click="setSelectType(1)">
        {{descs[2]}}<span class="count">{{ratings.length-positiveLength}}</span>
      </span>
    </div>

    <div class="switch" :class="{on: onlyContent}" @click="toggleOnlyContent">
      <span class="iconfont icon-check_circle"></span>
      <span class="text">只看有内容的评价</span>
    </div>

  </div>
</template>

<script>
  export default {
    props: {
      descs: Array,
      ratings: Array,
      selectType: Number,
      onlyContent: Boolean
    },

    computed: {
      positiveLength () {
        return this.ratings.reduce((preTotal, rating) => {
          return preTotal + (rating.rateType===0 ? 1 : 0)
        }, 0)
      }
    },

    methods: {
      setSelectType (selectType) {
        this.$emit('setSelectType',selectType)
      },

      toggleOnlyContent () {
        this.$emit('toggleOnlyContent')
      }
    }
  }
</script>

<style lang="stylus" rel="stylesheet/stylus" scoped>
  @import "../../common/stylus/mixins.styl"

  .ratingselect
    .rating-type
      padding: 18px 0
      margin: 0 18px
      border-1px(rgba(7, 17, 27, 0.1))
      font-size: 0
      .block
        display: inline-block
        padding: 8px 12px
        margin-right: 8px
        line-height: 16px
        border-radius: 1px
        font-size: 12px
        color: rgb(77, 85, 93)
        background: rgba(77, 85, 93, 0.2)
        &.active
          background: $green
          color: #fff
        .count
          margin-left: 2px
          font-size: 8px
    .switch
      padding: 12px 18px
      line-height: 24px
      border-bottom: 1px solid rgba(7, 17, 27, 0.1)
      color: rgb(147, 153, 159)
      font-size: 0
      &.on
        .icon-check_circle
          color: $green
      .icon-check_circle
        display: inline-block
        vertical-align: top
        margin-right: 4px
        font-size: 24px
      .text
        display: inline-block
        vertical-align: top
        font-size: 12px
</style>